A Boeing 767 airplane sits on display at the grand opening of the new Delta Flight Museum, Tuesday, June 17, 2014, in Atlanta. Delta Air Lines is re-opening a museum at its Atlanta headquarters after extensive renovations in hopes of luring tourists to the company's original aircraft maintenance hangars on the north edge of the world's busiest airport. David Goldman, AP

Model airplanes sit in a display case as vintage flight attendant uniforms are showcased in an exhibit in the background at the grand opening of the new Delta Flight Museum, Tuesday, June 17, 2014, in Atlanta. David Goldman, AP

Vintage flight attendant uniforms are showcased in an exhibit at the grand opening of the new Delta Flight Museum. David Goldman, AP

Carson Perry, 4, center, holds the hand of her grandfather Charles Swaney, while looking at the engine of a Boeing 767 airplane with her sister Chandler, 7, left, at the grand opening of the new Delta Flight Museum. David Goldman, AP

The landing gear of a Northeast Airlines Stinson SR-8E Reliant airplane - built in 1936 - hangs above attendants at the grand opening of the new Delta Flight Museum. David Goldman, AP

Elijah Branch, 4, of Atlanta, sits in the cockpit of a Lockheed L-1011 airplane at the grand opening of the new Delta Flight Museum on June 17, 2014, in Atlanta. David Goldman, AP

Model airplanes sit in a display case as vintage flight attendant uniforms are showcased in an exhibit in the background at the grand opening of the new Delta Flight Museum. David Goldman, AP

Delta Air Lines CEO Richard Anderson speaks at the grand opening of the new Delta Flight Museum on June 17, 2014, in Atlanta. David Goldman, AP

Delta Air Lines CEO Richard Anderson speaks at the grand opening of the new Delta Flight Museum. David Goldman, AP

Andy Pharo, 2, sits on the shoulders of his father Mark Pharo as they look at a Western Air Express Douglas M-2 model airplane on display at the grand opening of the new Delta Flight Museum. David Goldman, AP

A totally reconstructed flight worth DC-3 is seen in the company's museum in 2006, prior to the renovation and reopening of the facility. Ric Feld, AP